Other Network Architecture Subjects

My company is researching on redundant Internet connections. We want to load balance our outgoing traffic over a cable ISP and a DSL ISP. Our DNS entries are hosted by Verisign and we hope by using IPs assigned by our ISPs we could also achieve rough...

I have a 2621xm in my netbar to the internet via the FTTB line.One FE interface to Lan,another to Wan.But these days users in the lan can't access the internet sometimes.And at the same time the router's cpu utilization is 100%.I enable the netflow s...

Hello. Is there any information thatanyone knows about that can give me a good idea as to whether a Microsoft security patch is going to destroy my Ciscoworks server? We have to patch our servers all of the time, and I do back it up, but I still thi...

I have some vlans in 2 different MSFC with HSRP.Using command sh arp | include 0000.0c07.acxx some VLAN are not displayed until I ping the stanby ip.Pcs in one vlan obtain ip address from a DHCP server in another VLAN. It stop working, it was neccesa...

Hi,how it's possible to monitor the state of the standby Supervisor Engine in a Cat 4507R with SNMPNetwork Management System?Is it possible to monitor the redundancy state (Duplex/Simplex)? Or commiúnication State?Or could SNMP monitor the Module st...

Hello,We have a 6509 installed with a WS-X6K-S2U-MSFC2 card. As OS we use Hyprid Mode. For a Security Apar we want to Upgrade the MSFC2. But we are not able to do that, because we have only 16MB Bootflash. We are also not able to connect to the PCMCI...

What is PPPoE and PPPoA ? and what are these technologies used for?Regards.

Hi Everybody, please give me the link for Release notes IOS 12.1(20)E. let me know very urgentl.Thanks & Regards,Milid Tare

Dear All,In a 1700 series router having primary link as serial leased line , can we use VWIC-1MFT-E1 or VWIC-1MFT-G703 as backup over ISDN PRI link.Pls confirm.RegardsDeepak

Hello. I am looking for someone who actually understands VLSM to explain a few things for me. If this wasn't the correct forum for this post, please move it so that the correct people can answer it for me. I have a few major discrepancies which are m...

Is it possible to configure a 1721 router to enable a second BRI interface to come up should active interface go down, as a contingency option?Thanks in anticipation.Gary

Hi,I have router interface configured with a primary and secondary ip address...eg F0/0 192.168.1.0/24, 192.168.2.0/24 sechow can i prevent the network from accessing each other...Thanks-Steven-

I have a customer request to enable VMPS on his MAN with more than 300 switches (> 10000 Ports).Does anybody have experience with VMPS in large LAN's??

Does the GEIP or GEIP+ for the 7507 support the ISL or dot1q trunking protocols? It is not on the data sheet.Thanks,Niels

If you configure two (or more) LLQs in CBWFQ, e.g. one for voice and one for video, how does a router service these queues? Does it:1. Behave like PQ with one queue having a larger priority than the other, i.e. if it's servicing the second configured...